9 drill steps increasing by 2 mm for material with a max. thickness of 4.5 mm. With edge breaker (sheet metal countersink) at Ø 10 for 1-mm sheet metal
843 Stepped drill bits, 4-20 mm
- 9 drill steps increasing by 2 mm
- For material with a maximum thickness of 4.5 mm
- With edge breaker (sheet metal deburrer) at diameter 10
- For 1 mm sheet metal
- 1/4" hexagon suitable for holders as per DIN ISO 1173-D 6.3
Stepped drill bit

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Product description
High quality stepped drill bit by Wera. 9 drill steps increasing by 2 mm for material with a maximum thickness of 4.5 mm. Comes with edge breaker for 1 mm sheet metal. ¼" hexagon, suitable for holders as per DIN ISO 1173-D 6.3.



